If a building owner has enough money for renewable-energy systems and the space to install them, any designer can achieve net-zero performance. Achieving net-zero performance economically, however, is a different matter. [MORE]

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FASTRACK News

ASHRAE Seeking Public Comment on Standard 62.1 Addenda

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is seeking public comment on three proposed addenda to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality: [MORE]

LonMark Accepting Nominations for 'Best of the Year' Awards

LonMark International, a global membership organization dedicated to efficient and effective integration of open, multivendor control systems, is accepting submissions for its “Best of the Year” awards program. [MORE]

Siemens Announces 2011 'Smartest Building in America' Contest Winners

Providence St. Peter Hospital in Olympia, Wash., will receive $25,000 in products and services as grand-prize winner in Siemens Industry Inc.'s 2011 Smartest Building in America Challenge. [MORE]

Armacell Launches YouTube Channel

Armacell LLC has launched a channel on YouTube featuring a series of instructional videos related to its Armaflex brand of flexible, fiber-free mechanical insulation. [MORE]

HIGH EFFICIENCY BOILERS FROM BRYAN STEAM Bryan Steam's HE Series, high efficiency version of forced draft gas fired "Flexible Water Tube" Water Boilers, features a guaranteed efficiency of 85% with complications of condensation. The high combustion efficiency results from a uniquely designed integrated extended surface heat extractor supported by 7 sq. ft. of heating surface per boiler horsepower. HE-AB and HE-CLM Series Boilers offer inputs from 900 MBH to 3,000 MBH, while the HE-RV Series offers 3,500 MBH to 8,000 MBH. The Bryan "Flexible Water Tube" design provides for extremely fast internal circulation for maximum heat transfer and operating efficiency. Click here for more info.--Bryan Steam LLC

NEW! Cost-efficient HVAC Transmitters from Vaisala Vaisala introduces 2 new transmitters for HVAC applications. The Vaisala HUMICAP® Humidity and Temperature Transmitter HMW80 is stable and dependable for use in heating and ventilation systems. The Vaisala HUMICAP® Humidity and Temperature Transmitters HMT120 and HMT130 are ideal for more demanding HVAC or cleanroom applications with interchangeable probe for easy field calibration. Click here for more info.--Vaisala

EcoFlex90+ - 90% Boiler Efficiency without Boiler Replacement EcoFlex 90+ - a packaged modulating fan-powered economizer – may be the single design that combats all the challenges in the typical economizer. It opens the energy recovery up to practically any combustion appliance application.

With the EcoFlex 90+ system the designer can now view the application as a complete "boiler plant" as the full load to work with, instead of one economizer per boiler. And the "boiler plant" can consist of a combination of boiler types such as forced draft boilers and atmospheric water heaters that utilize a single modulating demand-controlled economizer. The bottom line is: design flexibility, reduced emissions, improved boiler efficiency, high return on investment.

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The magazine for the mechanical-systems-engineering community, HPAC Engineering is a forum for peer-to-peer communication among engineering professionals and facility owners/operators in the non-residential-building marketplace, including the critical manufacturing-, government-, education-, health-care-, and office-building sectors.